/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "player.h"
#include "film.h"
-#include "ffmpeg_decoder.h"
#include "audio_buffers.h"
-#include "ffmpeg_content.h"
-#include "image_decoder.h"
-#include "image_content.h"
-#include "sndfile_decoder.h"
-#include "sndfile_content.h"
-#include "subtitle_content.h"
-#include "subrip_decoder.h"
-#include "subrip_content.h"
+#include "content_audio.h"
#include "dcp_content.h"
#include "job.h"
#include "image.h"
#include "content_video.h"
#include "player_video.h"
#include "frame_rate_change.h"
-#include "dcp_content.h"
-#include "dcp_decoder.h"
-#include "dcp_subtitle_content.h"
-#include "dcp_subtitle_decoder.h"
#include "audio_processor.h"
+#include "playlist.h"
+#include "referenced_reel_asset.h"
+#include "decoder_factory.h"
+#include "decoder.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "subtitle_content.h"
+#include "subtitle_decoder.h"
+#include "ffmpeg_content.h"
+#include "audio_content.h"
+#include "content_subtitle.h"
+#include "dcp_decoder.h"
+#include "image_decoder.h"
+#include <dcp/reel.h>
+#include <dcp/reel_sound_asset.h>
+#include <dcp/reel_subtitle_asset.h>
+#include <dcp/reel_picture_asset.h>
#include <boost/foreach.hpp>
#include <stdint.h>
#include <algorithm>
+#include <iostream>
#include "i18n.h"
-#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
using std::list;
using std::cout;
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
using boost::optional;
+using boost::scoped_ptr;
-Player::Player (shared_ptr<const Film> f)
- : _film (f)
+static bool
+has_video (Content* c)
+{
+ return static_cast<bool>(c->video);
+}
+
+static bool
+has_audio (Content* c)
+{
+ return static_cast<bool>(c->audio);
+}
+
+static bool
+has_subtitle (Content* c)
+{
+ return static_cast<bool>(c->subtitle);
+}
+
+Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
+ : _film (film)
+ , _playlist (playlist)
, _have_valid_pieces (false)
, _ignore_video (false)
- , _burn_subtitles (f->burn_subtitles ())
+ , _ignore_audio (false)
+ , _always_burn_subtitles (false)
+ , _fast (false)
+ , _play_referenced (false)
{
- _film_content_changed_connection = _film->ContentChanged.connect (bind (&Player::content_changed, this, _1, _2, _3));
_film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
+ _playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
+ _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Player::playlist_content_changed, this, _1, _2, _3));
set_video_container_size (_film->frame_size ());
film_changed (Film::AUDIO_PROCESSOR);
void
Player::setup_pieces ()
{
- list<shared_ptr<Piece> > old_pieces = _pieces;
_pieces.clear ();
- ContentList content = _film->content ();
+ BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
- for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
-
- if (!(*i)->paths_valid ()) {
+ if (!i->paths_valid ()) {
continue;
}
-
- shared_ptr<Decoder> decoder;
- optional<FrameRateChange> frc;
-
- /* Work out a FrameRateChange for the best overlap video for this content, in case we need it below */
- DCPTime best_overlap_t;
- shared_ptr<VideoContent> best_overlap;
- for (ContentList::iterator j = content.begin(); j != content.end(); ++j) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
- if (!vc) {
- continue;
- }
-
- DCPTime const overlap = max (vc->position(), (*i)->position()) - min (vc->end(), (*i)->end());
- if (overlap > best_overlap_t) {
- best_overlap = vc;
- best_overlap_t = overlap;
- }
- }
- optional<FrameRateChange> best_overlap_frc;
- if (best_overlap) {
- best_overlap_frc = FrameRateChange (best_overlap->video_frame_rate(), _film->video_frame_rate ());
- } else {
- /* No video overlap; e.g. if the DCP is just audio */
- best_overlap_frc = FrameRateChange (_film->video_frame_rate(), _film->video_frame_rate ());
- }
-
- /* FFmpeg */
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- decoder.reset (new FFmpegDecoder (fc, _film->log()));
- frc = FrameRateChange (fc->video_frame_rate(), _film->video_frame_rate());
- }
-
- shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (*i);
- if (dc) {
- decoder.reset (new DCPDecoder (dc));
- frc = FrameRateChange (dc->video_frame_rate(), _film->video_frame_rate());
- }
-
- /* ImageContent */
- shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (*i);
- if (ic) {
- /* See if we can re-use an old ImageDecoder */
- for (list<shared_ptr<Piece> >::const_iterator j = old_pieces.begin(); j != old_pieces.end(); ++j) {
- shared_ptr<ImageDecoder> imd = dynamic_pointer_cast<ImageDecoder> ((*j)->decoder);
- if (imd && imd->content() == ic) {
- decoder = imd;
- }
- }
+ shared_ptr<Decoder> decoder = decoder_factory (i, _film->log(), _fast);
+ FrameRateChange frc (i->active_video_frame_rate(), _film->video_frame_rate());
- if (!decoder) {
- decoder.reset (new ImageDecoder (ic));
- }
-
- frc = FrameRateChange (ic->video_frame_rate(), _film->video_frame_rate());
- }
-
- /* SndfileContent */
- shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (*i);
- if (sc) {
- decoder.reset (new SndfileDecoder (sc));
- frc = best_overlap_frc;
- }
-
- /* SubRipContent */
- shared_ptr<const SubRipContent> rc = dynamic_pointer_cast<const SubRipContent> (*i);
- if (rc) {
- decoder.reset (new SubRipDecoder (rc));
- frc = best_overlap_frc;
+ if (!decoder) {
+ /* Not something that we can decode; e.g. Atmos content */
+ continue;
}
- /* DCPSubtitleContent */
- shared_ptr<const DCPSubtitleContent> dsc = dynamic_pointer_cast<const DCPSubtitleContent> (*i);
- if (dsc) {
- decoder.reset (new DCPSubtitleDecoder (dsc));
- frc = best_overlap_frc;
+ if (decoder->video && _ignore_video) {
+ decoder->video->set_ignore ();
}
- shared_ptr<VideoDecoder> vd = dynamic_pointer_cast<VideoDecoder> (decoder);
- if (vd && _ignore_video) {
- vd->set_ignore_video ();
+ if (decoder->audio && _ignore_audio) {
+ decoder->audio->set_ignore ();
}
- _pieces.push_back (shared_ptr<Piece> (new Piece (*i, decoder, frc.get ())));
+ _pieces.push_back (shared_ptr<Piece> (new Piece (i, decoder, frc)));
}
_have_valid_pieces = true;
}
void
-Player::content_changed (weak_ptr<Content> w, int property, bool frequent)
+Player::playlist_content_changed (weak_ptr<Content> w, int property, bool frequent)
{
shared_ptr<Content> c = w.lock ();
if (!c) {
property == ContentProperty::TRIM_START ||
property == ContentProperty::TRIM_END ||
property == ContentProperty::PATH ||
- property == VideoContentProperty::VIDEO_FRAME_TYPE ||
- property == DCPContentProperty::CAN_BE_PLAYED
+ property == VideoContentProperty::FRAME_TYPE ||
+ property == DCPContentProperty::CAN_BE_PLAYED ||
+ property == SubtitleContentProperty::COLOUR ||
+ property == SubtitleContentProperty::OUTLINE ||
+ property == SubtitleContentProperty::OUTLINE_COLOUR ||
+ property == FFmpegContentProperty::SUBTITLE_STREAM
) {
-
+
_have_valid_pieces = false;
Changed (frequent);
} else if (
- property == SubtitleContentProperty::USE_SUBTITLES ||
- property == SubtitleContentProperty::SUBTITLE_X_OFFSET ||
- property == SubtitleContentProperty::SUBTITLE_Y_OFFSET ||
- property == SubtitleContentProperty::SUBTITLE_X_SCALE ||
- property == SubtitleContentProperty::SUBTITLE_Y_SCALE ||
- property == VideoContentProperty::VIDEO_CROP ||
- property == VideoContentProperty::VIDEO_SCALE ||
- property == VideoContentProperty::VIDEO_FRAME_RATE ||
- property == VideoContentProperty::VIDEO_FADE_IN ||
- property == VideoContentProperty::VIDEO_FADE_OUT
+ property == ContentProperty::VIDEO_FRAME_RATE ||
+ property == SubtitleContentProperty::USE ||
+ property == SubtitleContentProperty::X_OFFSET ||
+ property == SubtitleContentProperty::Y_OFFSET ||
+ property == SubtitleContentProperty::X_SCALE ||
+ property == SubtitleContentProperty::Y_SCALE ||
+ property == SubtitleContentProperty::FONTS ||
+ property == VideoContentProperty::CROP ||
+ property == VideoContentProperty::SCALE ||
+ property == VideoContentProperty::FADE_IN ||
+ property == VideoContentProperty::FADE_OUT ||
+ property == VideoContentProperty::COLOUR_CONVERSION
) {
-
+
Changed (frequent);
}
}
{
_video_container_size = s;
- _black_image.reset (new Image (PIX_FMT_RGB24, _video_container_size, true));
+ _black_image.reset (new Image (AV_PIX_FMT_RGB24, _video_container_size, true));
_black_image->make_black ();
}
+void
+Player::playlist_changed ()
+{
+ _have_valid_pieces = false;
+ Changed (false);
+}
+
void
Player::film_changed (Film::Property p)
{
last time we were run.
*/
- if (p == Film::CONTENT) {
- _have_valid_pieces = false;
+ if (p == Film::CONTAINER) {
Changed (false);
- } else if (p == Film::CONTAINER || p == Film::VIDEO_FRAME_RATE) {
+ } else if (p == Film::VIDEO_FRAME_RATE) {
+ /* Pieces contain a FrameRateChange which contains the DCP frame rate,
+ so we need new pieces here.
+ */
+ _have_valid_pieces = false;
Changed (false);
} else if (p == Film::AUDIO_PROCESSOR) {
if (_film->audio_processor ()) {
Player::transform_image_subtitles (list<ImageSubtitle> subs) const
{
list<PositionImage> all;
-
+
for (list<ImageSubtitle>::const_iterator i = subs.begin(); i != subs.end(); ++i) {
if (!i->image) {
continue;
/* We will scale the subtitle up to fit _video_container_size */
dcp::Size scaled_size (i->rectangle.width * _video_container_size.width, i->rectangle.height * _video_container_size.height);
-
+
/* Then we need a corrective translation, consisting of two parts:
*
* 1. that which is the result of the scaling of the subtitle by _video_container_size; this will be
scaled_size,
dcp::YUV_TO_RGB_REC601,
i->image->pixel_format (),
- true
+ true,
+ _fast
),
Position<int> (
- rint (_video_container_size.width * i->rectangle.x),
- rint (_video_container_size.height * i->rectangle.y)
+ lrint (_video_container_size.width * i->rectangle.x),
+ lrint (_video_container_size.height * i->rectangle.y)
)
)
);
shared_ptr<const ImageProxy> (new RawImageProxy (_black_image)),
time,
Crop (),
- optional<float> (),
+ optional<double> (),
_video_container_size,
_video_container_size,
EYES_BOTH,
);
}
-/** @return All PlayerVideos at the given time (there may be two frames for 3D) */
+/** @return All PlayerVideos at the given time. There may be none if the content
+ * at `time' is a DCP which we are passing through (i.e. referring to by reference)
+ * or 2 if we have 3D.
+ */
list<shared_ptr<PlayerVideo> >
Player::get_video (DCPTime time, bool accurate)
{
setup_pieces ();
}
- list<shared_ptr<Piece> > ov = overlaps<VideoContent> (
+ /* Find subtitles for possible burn-in */
+
+ PlayerSubtitles ps = get_subtitles (time, DCPTime::from_frames (1, _film->video_frame_rate ()), false, true, accurate);
+
+ list<PositionImage> sub_images;
+
+ /* Image subtitles */
+ list<PositionImage> c = transform_image_subtitles (ps.image);
+ copy (c.begin(), c.end(), back_inserter (sub_images));
+
+ /* Text subtitles (rendered to an image) */
+ if (!ps.text.empty ()) {
+ list<PositionImage> s = render_subtitles (ps.text, ps.fonts, _video_container_size);
+ copy (s.begin (), s.end (), back_inserter (sub_images));
+ }
+
+ optional<PositionImage> subtitles;
+ if (!sub_images.empty ()) {
+ subtitles = merge (sub_images);
+ }
+
+ /* Find pieces containing video which is happening now */
+
+ list<shared_ptr<Piece> > ov = overlaps (
time,
- time + DCPTime::from_frames (1, _film->video_frame_rate ()) - DCPTime::delta()
+ time + DCPTime::from_frames (1, _film->video_frame_rate ()),
+ &has_video
);
list<shared_ptr<PlayerVideo> > pvf;
/* No video content at this time */
pvf.push_back (black_player_video_frame (time));
} else {
- /* Create a PlayerVideo from the content's video at this time */
-
- shared_ptr<Piece> piece = ov.back ();
- shared_ptr<VideoDecoder> decoder = dynamic_pointer_cast<VideoDecoder> (piece->decoder);
- DCPOMATIC_ASSERT (decoder);
- shared_ptr<VideoContent> content = dynamic_pointer_cast<VideoContent> (piece->content);
- DCPOMATIC_ASSERT (content);
-
- list<ContentVideo> content_video = decoder->get_video (dcp_to_content_video (piece, time), accurate);
- if (content_video.empty ()) {
- pvf.push_back (black_player_video_frame (time));
- return pvf;
- }
-
- dcp::Size image_size = content->scale().size (content, _video_container_size, _film->frame_size ());
-
- for (list<ContentVideo>::const_iterator i = content_video.begin(); i != content_video.end(); ++i) {
- pvf.push_back (
- shared_ptr<PlayerVideo> (
- new PlayerVideo (
- i->image,
- content_video_to_dcp (piece, i->frame),
- content->crop (),
- content->fade (i->frame),
- image_size,
- _video_container_size,
- i->eyes,
- i->part,
- content->colour_conversion ()
- )
- )
- );
- }
- }
+ /* Some video content at this time */
+ shared_ptr<Piece> last = *(ov.rbegin ());
+ VideoFrameType const last_type = last->content->video->frame_type ();
- /* Add subtitles (for possible burn-in) to whatever PlayerVideos we got */
+ /* Get video from appropriate piece(s) */
+ BOOST_FOREACH (shared_ptr<Piece> piece, ov) {
- PlayerSubtitles ps = get_subtitles (time, DCPTime::from_frames (1, _film->video_frame_rate ()), false);
+ shared_ptr<VideoDecoder> decoder = piece->decoder->video;
+ DCPOMATIC_ASSERT (decoder);
- list<PositionImage> sub_images;
-
- /* Image subtitles */
- list<PositionImage> c = transform_image_subtitles (ps.image);
- copy (c.begin(), c.end(), back_inserter (sub_images));
+ shared_ptr<DCPContent> dcp_content = dynamic_pointer_cast<DCPContent> (piece->content);
+ if (dcp_content && dcp_content->reference_video () && !_play_referenced) {
+ continue;
+ }
- /* Text subtitles (rendered to an image) */
- if (_burn_subtitles && !ps.text.empty ()) {
- list<PositionImage> s = render_subtitles (ps.text, _video_container_size);
- copy (s.begin (), s.end (), back_inserter (sub_images));
+ bool const use =
+ /* always use the last video */
+ piece == last ||
+ /* with a corresponding L/R eye if appropriate */
+ (last_type == VIDEO_FRAME_TYPE_3D_LEFT && piece->content->video->frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) ||
+ (last_type == VIDEO_FRAME_TYPE_3D_RIGHT && piece->content->video->frame_type() == VIDEO_FRAME_TYPE_3D_LEFT);
+
+ if (use) {
+ /* We want to use this piece */
+ list<ContentVideo> content_video = decoder->get (dcp_to_content_video (piece, time), accurate);
+ if (content_video.empty ()) {
+ pvf.push_back (black_player_video_frame (time));
+ } else {
+ dcp::Size image_size = piece->content->video->scale().size (
+ piece->content->video, _video_container_size, _film->frame_size ()
+ );
+
+ for (list<ContentVideo>::const_iterator i = content_video.begin(); i != content_video.end(); ++i) {
+ pvf.push_back (
+ shared_ptr<PlayerVideo> (
+ new PlayerVideo (
+ i->image,
+ time,
+ piece->content->video->crop (),
+ piece->content->video->fade (i->frame.index()),
+ image_size,
+ _video_container_size,
+ i->frame.eyes(),
+ i->part,
+ piece->content->video->colour_conversion ()
+ )
+ )
+ );
+ }
+ }
+ } else {
+ /* Discard unused video */
+ decoder->get (dcp_to_content_video (piece, time), accurate);
+ }
+ }
}
- if (!sub_images.empty ()) {
- for (list<shared_ptr<PlayerVideo> >::const_iterator i = pvf.begin(); i != pvf.end(); ++i) {
- (*i)->set_subtitle (merge (sub_images));
+ if (subtitles) {
+ BOOST_FOREACH (shared_ptr<PlayerVideo> p, pvf) {
+ p->set_subtitle (subtitles.get ());
}
- }
-
+ }
+
return pvf;
}
+/** @return Audio data or 0 if the only audio data here is referenced DCP data */
shared_ptr<AudioBuffers>
Player::get_audio (DCPTime time, DCPTime length, bool accurate)
{
setup_pieces ();
}
- Frame const length_frames = length.frames (_film->audio_frame_rate ());
+ Frame const length_frames = length.frames_round (_film->audio_frame_rate ());
shared_ptr<AudioBuffers> audio (new AudioBuffers (_film->audio_channels(), length_frames));
audio->make_silent ();
-
- list<shared_ptr<Piece> > ov = overlaps<AudioContent> (time, time + length);
+
+ list<shared_ptr<Piece> > ov = overlaps (time, time + length, has_audio);
if (ov.empty ()) {
return audio;
}
- for (list<shared_ptr<Piece> >::iterator i = ov.begin(); i != ov.end(); ++i) {
+ bool all_referenced = true;
+ BOOST_FOREACH (shared_ptr<Piece> i, ov) {
+ shared_ptr<DCPContent> dcp_content = dynamic_pointer_cast<DCPContent> (i->content);
+ if (i->content->audio && (!dcp_content || !dcp_content->reference_audio ())) {
+ /* There is audio content which is not from a DCP or not set to be referenced */
+ all_referenced = false;
+ }
+ }
+
+ if (all_referenced && !_play_referenced) {
+ return shared_ptr<AudioBuffers> ();
+ }
- shared_ptr<AudioContent> content = dynamic_pointer_cast<AudioContent> ((*i)->content);
- DCPOMATIC_ASSERT (content);
- shared_ptr<AudioDecoder> decoder = dynamic_pointer_cast<AudioDecoder> ((*i)->decoder);
+ BOOST_FOREACH (shared_ptr<Piece> i, ov) {
+
+ DCPOMATIC_ASSERT (i->content->audio);
+ shared_ptr<AudioDecoder> decoder = i->decoder->audio;
DCPOMATIC_ASSERT (decoder);
/* The time that we should request from the content */
- DCPTime request = time - DCPTime::from_seconds (content->audio_delay() / 1000.0);
+ DCPTime request = time - DCPTime::from_seconds (i->content->audio->delay() / 1000.0);
Frame request_frames = length_frames;
DCPTime offset;
if (request < DCPTime ()) {
the stuff we get back.
*/
offset = -request;
- request_frames += request.frames (_film->audio_frame_rate ());
+ request_frames += request.frames_round (_film->audio_frame_rate ());
if (request_frames < 0) {
request_frames = 0;
}
request = DCPTime ();
}
- Frame const content_frame = dcp_to_content_audio (*i, request);
+ Frame const content_frame = dcp_to_resampled_audio (i, request);
+
+ BOOST_FOREACH (AudioStreamPtr j, i->content->audio->streams ()) {
+
+ if (j->channels() == 0) {
+ /* Some content (e.g. DCPs) can have streams with no channels */
+ continue;
+ }
- BOOST_FOREACH (AudioStreamPtr j, content->audio_streams ()) {
-
/* Audio from this piece's decoder stream (which might be more or less than what we asked for) */
- ContentAudio all = decoder->get_audio (j, content_frame, request_frames, accurate);
+ ContentAudio all = decoder->get (j, content_frame, request_frames, accurate);
/* Gain */
- if (content->audio_gain() != 0) {
+ if (i->content->audio->gain() != 0) {
shared_ptr<AudioBuffers> gain (new AudioBuffers (all.audio));
- gain->apply_gain (content->audio_gain ());
+ gain->apply_gain (i->content->audio->gain ());
all.audio = gain;
}
}
if (_audio_processor) {
- dcp_mapped = _audio_processor->run (dcp_mapped);
+ dcp_mapped = _audio_processor->run (dcp_mapped, _film->audio_channels ());
}
-
+
all.audio = dcp_mapped;
audio->accumulate_frames (
all.audio.get(),
content_frame - all.frame,
- offset.frames (_film->audio_frame_rate()),
+ offset.frames_round (_film->audio_frame_rate()),
min (Frame (all.audio->frames()), request_frames)
);
}
Frame
Player::dcp_to_content_video (shared_ptr<const Piece> piece, DCPTime t) const
{
- /* s is the offset of t from the start position of this content */
DCPTime s = t - piece->content->position ();
- s = DCPTime (max (DCPTime::Type (0), s.get ()));
- s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
+ s = min (piece->content->length_after_trim(), s);
+ s = max (DCPTime(), s + DCPTime (piece->content->trim_start(), piece->frc));
+
+ /* It might seem more logical here to convert s to a ContentTime (using the FrameRateChange)
+ then convert that ContentTime to frames at the content's rate. However this fails for
+ situations like content at 29.9978733fps, DCP at 30fps. The accuracy of the Time type is not
+ enough to distinguish between the two with low values of time (e.g. 3200 in Time units).
- /* Convert this to the content frame */
- return DCPTime (s + piece->content->trim_start()).frames (_film->video_frame_rate()) / piece->frc.factor ();
+ Instead we convert the DCPTime using the DCP video rate then account for any skip/repeat.
+ */
+ return s.frames_floor (piece->frc.dcp) / piece->frc.factor ();
}
DCPTime
Player::content_video_to_dcp (shared_ptr<const Piece> piece, Frame f) const
{
- DCPTime t = DCPTime::from_frames (f * piece->frc.factor (), _film->video_frame_rate()) - piece->content->trim_start () + piece->content->position ();
- if (t < DCPTime ()) {
- t = DCPTime ();
- }
-
- return t;
+ /* See comment in dcp_to_content_video */
+ DCPTime const d = DCPTime::from_frames (f * piece->frc.factor(), piece->frc.dcp) - DCPTime (piece->content->trim_start (), piece->frc);
+ return max (DCPTime (), d + piece->content->position ());
}
Frame
-Player::dcp_to_content_audio (shared_ptr<const Piece> piece, DCPTime t) const
+Player::dcp_to_resampled_audio (shared_ptr<const Piece> piece, DCPTime t) const
{
- /* s is the offset of t from the start position of this content */
DCPTime s = t - piece->content->position ();
- s = DCPTime (max (DCPTime::Type (0), s.get ()));
- s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
-
- /* Convert this to the content frame */
- return DCPTime (s + piece->content->trim_start()).frames (_film->audio_frame_rate());
+ s = min (piece->content->length_after_trim(), s);
+ /* See notes in dcp_to_content_video */
+ return max (DCPTime (), DCPTime (piece->content->trim_start (), piece->frc) + s).frames_floor (_film->audio_frame_rate ());
}
ContentTime
Player::dcp_to_content_subtitle (shared_ptr<const Piece> piece, DCPTime t) const
{
- /* s is the offset of t from the start position of this content */
DCPTime s = t - piece->content->position ();
- s = DCPTime (max (DCPTime::Type (0), s.get ()));
- s = DCPTime (min (piece->content->length_after_trim().get(), s.get()));
-
- return ContentTime (s + piece->content->trim_start(), piece->frc);
+ s = min (piece->content->length_after_trim(), s);
+ return max (ContentTime (), ContentTime (s, piece->frc) + piece->content->trim_start());
}
-void
-PlayerStatistics::dump (shared_ptr<Log> log) const
-{
- log->log (String::compose ("Video: %1 good %2 skipped %3 black %4 repeat", video.good, video.skip, video.black, video.repeat), Log::TYPE_GENERAL);
- log->log (String::compose ("Audio: %1 good %2 skipped %3 silence", audio.good, audio.skip, audio.silence.seconds()), Log::TYPE_GENERAL);
-}
-
-PlayerStatistics const &
-Player::statistics () const
+DCPTime
+Player::content_subtitle_to_dcp (shared_ptr<const Piece> piece, ContentTime t) const
{
- return _statistics;
+ return max (DCPTime (), DCPTime (t - piece->content->trim_start(), piece->frc) + piece->content->position());
}
+/** @param burnt true to return only subtitles to be burnt, false to return only
+ * subtitles that should not be burnt. This parameter will be ignored if
+ * _always_burn_subtitles is true; in this case, all subtitles will be returned.
+ */
PlayerSubtitles
-Player::get_subtitles (DCPTime time, DCPTime length, bool starting)
+Player::get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt, bool accurate)
{
- list<shared_ptr<Piece> > subs = overlaps<SubtitleContent> (time, time + length);
+ list<shared_ptr<Piece> > subs = overlaps (time, time + length, has_subtitle);
PlayerSubtitles ps (time, length);
for (list<shared_ptr<Piece> >::const_iterator j = subs.begin(); j != subs.end(); ++j) {
- shared_ptr<SubtitleContent> subtitle_content = dynamic_pointer_cast<SubtitleContent> ((*j)->content);
- if (!subtitle_content->use_subtitles ()) {
+ if (!(*j)->content->subtitle->use () || (!_always_burn_subtitles && (burnt != (*j)->content->subtitle->burn ()))) {
continue;
}
- shared_ptr<SubtitleDecoder> subtitle_decoder = dynamic_pointer_cast<SubtitleDecoder> ((*j)->decoder);
+ shared_ptr<DCPContent> dcp_content = dynamic_pointer_cast<DCPContent> ((*j)->content);
+ if (dcp_content && dcp_content->reference_subtitle () && !_play_referenced) {
+ continue;
+ }
+
+ shared_ptr<SubtitleDecoder> subtitle_decoder = (*j)->decoder->subtitle;
ContentTime const from = dcp_to_content_subtitle (*j, time);
/* XXX: this video_frame_rate() should be the rate that the subtitle content has been prepared for */
ContentTime const to = from + ContentTime::from_frames (1, _film->video_frame_rate ());
- list<ContentImageSubtitle> image = subtitle_decoder->get_image_subtitles (ContentTimePeriod (from, to), starting);
+ list<ContentImageSubtitle> image = subtitle_decoder->get_image (ContentTimePeriod (from, to), starting, accurate);
for (list<ContentImageSubtitle>::iterator i = image.begin(); i != image.end(); ++i) {
-
+
/* Apply content's subtitle offsets */
- i->sub.rectangle.x += subtitle_content->subtitle_x_offset ();
- i->sub.rectangle.y += subtitle_content->subtitle_y_offset ();
+ i->sub.rectangle.x += (*j)->content->subtitle->x_offset ();
+ i->sub.rectangle.y += (*j)->content->subtitle->y_offset ();
/* Apply content's subtitle scale */
- i->sub.rectangle.width *= subtitle_content->subtitle_x_scale ();
- i->sub.rectangle.height *= subtitle_content->subtitle_y_scale ();
+ i->sub.rectangle.width *= (*j)->content->subtitle->x_scale ();
+ i->sub.rectangle.height *= (*j)->content->subtitle->y_scale ();
/* Apply a corrective translation to keep the subtitle centred after that scale */
- i->sub.rectangle.x -= i->sub.rectangle.width * (subtitle_content->subtitle_x_scale() - 1);
- i->sub.rectangle.y -= i->sub.rectangle.height * (subtitle_content->subtitle_y_scale() - 1);
-
+ i->sub.rectangle.x -= i->sub.rectangle.width * ((*j)->content->subtitle->x_scale() - 1);
+ i->sub.rectangle.y -= i->sub.rectangle.height * ((*j)->content->subtitle->y_scale() - 1);
+
ps.image.push_back (i->sub);
}
- list<ContentTextSubtitle> text = subtitle_decoder->get_text_subtitles (ContentTimePeriod (from, to), starting);
+ list<ContentTextSubtitle> text = subtitle_decoder->get_text (ContentTimePeriod (from, to), starting, accurate);
BOOST_FOREACH (ContentTextSubtitle& ts, text) {
- BOOST_FOREACH (dcp::SubtitleString& s, ts.subs) {
- s.set_h_position (s.h_position() + subtitle_content->subtitle_x_offset ());
- s.set_v_position (s.v_position() + subtitle_content->subtitle_y_offset ());
- float const xs = subtitle_content->subtitle_x_scale();
- float const ys = subtitle_content->subtitle_y_scale();
- float const average = s.size() * (xs + ys) / 2;
- s.set_size (average);
+ BOOST_FOREACH (dcp::SubtitleString s, ts.subs) {
+ s.set_h_position (s.h_position() + (*j)->content->subtitle->x_offset ());
+ s.set_v_position (s.v_position() + (*j)->content->subtitle->y_offset ());
+ float const xs = (*j)->content->subtitle->x_scale();
+ float const ys = (*j)->content->subtitle->y_scale();
+ float size = s.size();
+
+ /* Adjust size to express the common part of the scaling;
+ e.g. if xs = ys = 0.5 we scale size by 2.
+ */
+ if (xs > 1e-5 && ys > 1e-5) {
+ size *= 1 / min (1 / xs, 1 / ys);
+ }
+ s.set_size (size);
+
+ /* Then express aspect ratio changes */
if (fabs (1.0 - xs / ys) > dcp::ASPECT_ADJUST_EPSILON) {
s.set_aspect_adjust (xs / ys);
}
+ s.set_in (dcp::Time(content_subtitle_to_dcp (*j, ts.period().from).seconds(), 1000));
+ s.set_out (dcp::Time(content_subtitle_to_dcp (*j, ts.period().to).seconds(), 1000));
ps.text.push_back (s);
+ ps.add_fonts ((*j)->content->subtitle->fonts ());
}
}
}
list<shared_ptr<Font> > fonts;
BOOST_FOREACH (shared_ptr<Piece>& p, _pieces) {
- shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (p->content);
- if (sc) {
+ if (p->content->subtitle) {
/* XXX: things may go wrong if there are duplicate font IDs
with different font files.
*/
- list<shared_ptr<Font> > f = sc->fonts ();
+ list<shared_ptr<Font> > f = p->content->subtitle->fonts ();
copy (f.begin(), f.end(), back_inserter (fonts));
}
}
_ignore_video = true;
}
-/** Set whether or not this player should burn text subtitles into the image.
- * @param burn true to burn subtitles, false to not.
+/** Set this player never to produce any audio data */
+void
+Player::set_ignore_audio ()
+{
+ _ignore_audio = true;
+}
+
+/** Set whether or not this player should always burn text subtitles into the image,
+ * regardless of the content settings.
+ * @param burn true to always burn subtitles, false to obey content settings.
*/
void
-Player::set_burn_subtitles (bool burn)
+Player::set_always_burn_subtitles (bool burn)
+{
+ _always_burn_subtitles = burn;
+}
+
+void
+Player::set_fast ()
{
- _burn_subtitles = burn;
+ _fast = true;
+ _have_valid_pieces = false;
+}
+
+void
+Player::set_play_referenced ()
+{
+ _play_referenced = true;
+ _have_valid_pieces = false;
+}
+
+list<ReferencedReelAsset>
+Player::get_reel_assets ()
+{
+ list<ReferencedReelAsset> a;
+
+ BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
+ shared_ptr<DCPContent> j = dynamic_pointer_cast<DCPContent> (i);
+ if (!j) {
+ continue;
+ }
+
+ scoped_ptr<DCPDecoder> decoder;
+ try {
+ decoder.reset (new DCPDecoder (j, _film->log(), false));
+ } catch (...) {
+ return a;
+ }
+
+ int64_t offset = 0;
+ BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder->reels()) {
+ DCPTime const from = i->position() + DCPTime::from_frames (offset, _film->video_frame_rate());
+ if (j->reference_video ()) {
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_picture (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_picture()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ if (j->reference_audio ()) {
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_sound (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_sound()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ if (j->reference_subtitle ()) {
+ DCPOMATIC_ASSERT (k->main_subtitle ());
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_subtitle (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_subtitle()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ /* Assume that main picture duration is the length of the reel */
+ offset += k->main_picture()->duration ();
+ }
+ }
+
+ return a;
+}
+
+list<shared_ptr<Piece> >
+Player::overlaps (DCPTime from, DCPTime to, boost::function<bool (Content *)> valid)
+{
+ if (!_have_valid_pieces) {
+ setup_pieces ();
+ }
+
+ list<shared_ptr<Piece> > overlaps;
+ BOOST_FOREACH (shared_ptr<Piece> i, _pieces) {
+ if (valid (i->content.get ()) && i->content->position() < to && i->content->end() > from) {
+ overlaps.push_back (i);
+ }
+ }
+
+ return overlaps;
}
projects / dcpomatic.git / blobdiff